const availablePrefixs = ['moz', 'ms', 'webkit']

function requestAnimationFramePolyfill() {
  let lastTime = 0
  return function(callback) {
    const currTime = new Date().getTime()
    const timeToCall = Math.max(0, 16 - (currTime - lastTime))
    const id = window.setTimeout(function() {
      const rs = currTime + timeToCall
      callback(rs)
    }, timeToCall)
    lastTime = currTime + timeToCall
    return id
  }
}

export default function getRequestAnimationFrame() {
  if (typeof window === 'undefined') {
    return () => {}
  }
  if (window.requestAnimationFrame) {
    // https://github.com/vuejs/vue/issues/4465
    return window.requestAnimationFrame.bind(window)
  }

  const prefix = availablePrefixs.filter(key => `${key}RequestAnimationFrame` in window)[0]

  return prefix
    ? window[`${prefix}RequestAnimationFrame`]
    : requestAnimationFramePolyfill()
}

export function cancelRequestAnimationFrame(id) {
  if (typeof window === 'undefined') {
    return null
  }
  if (window.cancelAnimationFrame) {
    return window.cancelAnimationFrame(id)
  }
  const prefix = availablePrefixs.filter(key => `${key}CancelAnimationFrame` in window || `${key}CancelRequestAnimationFrame` in window)[0]

  return prefix ? (window[`${prefix}CancelAnimationFrame`] || window[`${prefix}CancelRequestAnimationFrame`]).call(this, id) : clearTimeout(id)
}
